| 摘要 |
<p>PURPOSE:To enable optional indication objects to be trend-indicated on the same screen by a method in which a plurality of indication objects indicated on a trend-monitoring screen is selected, and the indication item relative to the indication object indicated at one time on the basis of this indication object and its measured value are respectively taken in from memory, and then the measured value is trend-indicated. CONSTITUTION:If a plurality of the names of indication objects and indication items are stored in the first memory 101, if the data of trend-setting screen are stored in the second memory 102 and if measured values are stored in the third memory 103, the first indicating control means 105 makes a trend- setting screen as the indication object indicated on a trend-monitoring screen using a plurality of indication object selected with its means 104, and while it is trend-indicated with an indicating means 100, the data of trend-setting picture is stored in the second memory 102. A second indicating control means 106 receives a plurality of indication objects, indication items and measured values from each memory, and they are trend-indicated in the indicating means 100.</p> |
